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WAEC Geography 2010 Question 16

Question 16

Structure of the Earth

The part of the lithosphere which forms the ocean floor is

  1. A.sial.
  2. B.sima.
  3. C.nikel.
  4. D.nife.
Show the answer and explanation

Answer: B (sima.)

Explanation

The ocean floor is made of heavy basaltic sima (silica and magnesium).